The two were both considered black sheep by their families.
Even as president he seemed to be the black sheep.
Anyone can be the black sheep for just about any reason.
Black sheep of a very fine family, let me tell you.
He is described as the black sheep of the family.
To tell you the truth, I'm the black sheep of the family.
Black sheep, but they looked white to those who saw them pass.
I was one of the black sheep, but I'm no longer.
The black sheep among 911's are the cars of 1974-77.
He was definitely the black sheep of the family, even in physical terms.
Idiome